Mozilla: Application Reputation service disabled in Firefox 43 (MFSA 2016-11)
Published Jan 31, 2016
4.7
MEDIUMCVSS 3.0
EPSS 1.93%
Description
Mozilla Firefox 43.x mishandles attempts to connect to the Application Reputation service, which makes it easier for remote attackers to trigger an unintended download by leveraging the absence of reputation data.
Affected products
No data.
Configuration 1
- 12.04
- 14.04
- 15.04
- 15.10
No data.
Red Hat Enterprise Linux 5
firefox
Not affected
Red Hat Enterprise Linux 5
thunderbird
Not affected
Red Hat Enterprise Linux 6
firefox
Not affected
Red Hat Enterprise Linux 6
thunderbird
Not affected
Red Hat Enterprise Linux 7
firefox
Not affected
Red Hat Enterprise Linux 7
thunderbird
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | firefox | Not affected | n/a |
| Red Hat Enterprise Linux 5 | thunderbird | Not affected | n/a |
| Red Hat Enterprise Linux 6 | firefox | Not affected | n/a |
| Red Hat Enterprise Linux 6 | thunderbird | Not affected | n/a |
| Red Hat Enterprise Linux 7 | firefox | Not affected | n/a |
| Red Hat Enterprise Linux 7 | thunderbird | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue does not affect the version of firefox and thunderbird as shipped with Red Hat Enterprise Linux 5, 6 and 7.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
AV:N/AC:M/Au:N/C:N/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.93% (0.01934) | 79.31th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.93% (0.01934) | 77.34th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.58% (0.00583) | 67.11th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.47% (0.00474) | 76.49th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.47% (0.00474) | 74.96th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.47% (0.00474) | 71.91th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.78% (0.01776) | 76.86th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.78% (0.01776) | 76.81th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.78% (0.01776) | 74.78th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.78% (0.01776) | 53.99th | v2 (v2022.01.01) |
References (14)
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00001.html vendor-advisoryx_refsource_SUSEThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00002.html vendor-advisoryx_refsource_SUSEThird Party Advisory
- http://www.mozilla.org/security/announce/2016/mfsa2016-11.html x_refsource_CONFIRMVendor Advisory
- http://www.securityfocus.com/bid/81949 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1034825 vdb-entryx_refsource_SECTRACK
- http://www.ubuntu.com/usn/USN-2880-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-2880-2 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2016-1947 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1237103 x_refsource_CONFIRMIssue TrackingVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1301826 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2016-1947
- https://security.gentoo.org/glsa/201605-06 vendor-advisoryx_refsource_GENTOOThird Party AdvisoryVDB Entry
- https://www.cve.org/CVERecord?id=CVE-2016-1947
- https://www.mozilla.org/security/announce/2016/mfsa2016-11.html
Change history (0)
No recorded changes yet.